The BGS Lexicon of Named Rock Units — Result Details

Edzell Sandstone Formation [Obsolete Code: Use THF]

Computer Code: EDS Preferred Map Code: EDS
Status Code: Index Level
Age range: Early Devonian Epoch (DL) — Early Devonian Epoch (DL)
Lithological Description: Fine- to coarse-grained, commonly cross-bedded, but may be massive or horizontally-laminated sandstone or pebbly sandstone, locally with lenses of conglomerate, siltstone and mudstone.
Definition of Lower Boundary: Conformable, generally diachronous, gradational, interfingering with and passing up into the Cromlix Mudstone Formation with decreasing abundance of sandstone lithologies.
Definition of Upper Boundary: Not seen.
Thickness: Up to 1800 m thick in the Fettercairn area.
Geographical Limits: Northern Midland Valley, adjacent to the Highland Border fault between Fern and Auchenblae.
Parent Unit: Strathmore Group (SEG)
Previous Name(s): Edzell Sandstones (-226)
Gannochy Formation (-4633)
Alternative Name(s): Teith Sandstone Formation
Reference Section  Showing interfingering relationship of Edzell Sandstone Formation and Strathfinella Hill Conglomerate, banks of Devilly Burn, Clatterin' Brig. 
Type Section  Banks of River North Esk, Gannochy Bridge. 
Armstrong, M and Paterson, I B, 1970. The Lower Old Red Sandstone of the Strathmore Region. Report of the Institute of Geological Sciences No.70/12 
Browne, M A E, Smith, R A and Aitken, A M. 2001. A lithostratigraphical framework for the Devonian (Old Red Sandstone) rocks of Scotland south of a line from Fort William to Aberdeen. Version 3. British Geological Survey Research Report RR/01/04. 
Geology of the Fettercairn area, 1:10000 sheets NO67NW, NO67NE, NO67SW, NO67SE and NO68SE (south of the Highland Boundary Fault) : part of 1:50000 sheets 66E (Banchory), 66W (Aboyne), 57W (Forfar) and 57E (Montrose): British Geological Survey, Onshore Geology Series, Technical report WA/95/91  
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S066 S066